'use strict'
Object.defineProperty(exports, '__esModule', { value: true })
var component_1 = require('../common/component')
var touch_1 = require('../mixins/touch')
var version_1 = require('../common/version')
component_1.VantComponent({
  mixins: [touch_1.touch],
  props: {
    disabled: Boolean,
    useButtonSlot: Boolean,
    activeColor: String,
    inactiveColor: String,
    max: {
      type: Number,
      value: 100
    },
    min: {
      type: Number,
      value: 0
    },
    step: {
      type: Number,
      value: 1
    },
    value: {
      type: Number,
      value: 0,
      observer: function(val) {
        if (val !== this.value) {
          this.updateValue(val)
        }
      }
    },
    barHeight: {
      type: null,
      value: 2
    }
  },
  created: function() {
    this.updateValue(this.data.value)
  },
  methods: {
    onTouchStart: function(event) {
      if (this.data.disabled) return
      this.touchStart(event)
      this.startValue = this.format(this.value)
      this.dragStatus = 'start'
    },
    onTouchMove: function(event) {
      var _this = this
      if (this.data.disabled) return
      if (this.dragStatus === 'start') {
        this.$emit('drag-start')
      }
      this.touchMove(event)
      this.dragStatus = 'draging'
      this.getRect('.van-slider').then(function(rect) {
        var diff = (_this.deltaX / rect.width) * 100
        _this.newValue = _this.startValue + diff
        _this.updateValue(_this.newValue, false, true)
      })
    },
    onTouchEnd: function() {
      if (this.data.disabled) return
      if (this.dragStatus === 'draging') {
        this.updateValue(this.newValue, true)
        this.$emit('drag-end')
      }
    },
    onClick: function(event) {
      var _this = this
      if (this.data.disabled) return
      var min = this.data.min
      this.getRect('.van-slider').then(function(rect) {
        var value =
          ((event.detail.x - rect.left) / rect.width) * _this.getRange() + min
        _this.updateValue(value, true)
      })
    },
    updateValue: function(value, end, drag) {
      value = this.format(value)
      var min = this.data.min
      var width = ((value - min) * 100) / this.getRange() + '%'
      this.value = value
      this.setData({
        barStyle:
          '\n          width: ' +
          width +
          ';\n          ' +
          (drag ? 'transition: none;' : '') +
          '\n        '
      })
      if (drag) {
        this.$emit('drag', { value: value })
      }
      if (end) {
        this.$emit('change', value)
      }
      if ((drag || end) && version_1.canIUseModel()) {
        this.setData({ value: value })
      }
    },
    getRange: function() {
      var _a = this.data
      var max = _a.max
      var min = _a.min
      return max - min
    },
    format: function(value) {
      var _a = this.data
      var max = _a.max
      var min = _a.min
      var step = _a.step
      return Math.round(Math.max(min, Math.min(value, max)) / step) * step
    }
  }
})
